Adventures of Kid Kleets

Invincibility:
Press B, A, R, L, R, A at the title screen.

Sound test:
Press Y, A, X, X, A, B, Start at the title screen.

Level passwords:

Level

Password

2

JFLMJFGTFJ

3

KCBMQCGTFJ

4

KNLLTKGFFD

5

GLBMHRGTFJ